diff --git a/src/Microsoft.AspNetCore.Blazor.Build/Microsoft.AspNetCore.Blazor.Build.csproj b/src/Microsoft.AspNetCore.Blazor.Build/Microsoft.AspNetCore.Blazor.Build.csproj
index 916968fa23..9548254768 100644
--- a/src/Microsoft.AspNetCore.Blazor.Build/Microsoft.AspNetCore.Blazor.Build.csproj
+++ b/src/Microsoft.AspNetCore.Blazor.Build/Microsoft.AspNetCore.Blazor.Build.csproj
@@ -4,6 +4,7 @@
     <TargetFramework>netcoreapp2.0</TargetFramework>
     <OutputType>Exe</OutputType>
     <OutDir>tools</OutDir>
+    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
   </PropertyGroup>
 
   <Target Name="SetPackageProperties" BeforeTargets="_IntermediatePack">